CN215435320U - Low-temperature-resistant biaxially oriented polypropylene film - Google Patents
Low-temperature-resistant biaxially oriented polypropylene film Download PDFInfo
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- CN215435320U CN215435320U CN202121594178.5U CN202121594178U CN215435320U CN 215435320 U CN215435320 U CN 215435320U CN 202121594178 U CN202121594178 U CN 202121594178U CN 215435320 U CN215435320 U CN 215435320U
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Abstract
The utility model provides a low-temperature-resistant biaxially oriented polypropylene film, which comprises a fastening connection layer; the top of the fastening connection layer is fixedly provided with a fastening surface layer and a fastening bottom layer, and the fastening bottom layer is fixedly arranged at the bottom of the fastening connection layer; the reinforcing tough layer is fixedly arranged at the bottom of the fastening bottom layer; the bonding surface layer is fixedly arranged at the bottom of the reinforcing tough layer; the cooperation between firm cisoid and the reinforcement piece layer, make tightly link firmly the layer and fasten the top layer and closely fixedly combine, improve whole tightness and the resilience at the cisoid drawing of device, the cooperation between firm contrary groove and the reinforcement piece layer, make tightly link firmly the layer and fasten the bottom and closely fixedly combine, improve whole tightness and the resilience at reverse drawing of device, improve the stability of device under low temperature state, when preventing that the device from reducing and cracked because toughness when the low temperature is tensile to be used, improve the bonding strength between each functional layer of device, prevent taking place to disintegrate between each functional layer of device when the low temperature is tensile to be used.
Description
Technical Field
The utility model belongs to the technical field of protective sealing films, and particularly relates to a low-temperature-resistant biaxially oriented polypropylene film.
Background
Polypropylene films are generally used as outer films of composite films, polypropylene is a polymer formed by addition polymerization of propylene, is a white wax-like material, is transparent and light in appearance and low in resistance to low temperature, and is widely applied to production of fiber products such as clothing and blankets, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and also to packaging of foods and medicines.
If the application number is: the patent of CN201821090640.6 discloses a film, more specifically, it relates to a strong polypropylene film, the technical scheme is: including connecting gradually first sandwich layer, modified PETG layer, second sandwich layer and the corona layer that sets up, the one side on modified PETG layer is kept away from to first core layer is connected with heat-seal antifog layer, heat-seal antifog layer is for easily taking off modified polypropylene and antifog modified polypropylene blending layer. The beneficial effect of this scheme does: the thermoplastic polyurethane elastomer has the comprehensive properties of high strength and high toughness, and the toughness of the film is improved; the heat-seal anti-fog layer is a blend layer of easy-to-uncover modified polypropylene and anti-fog modified polypropylene, has a wider heat-seal temperature window, has constant heat-seal performance and excellent sealing performance, and is convenient to uncover; meanwhile, the film can prevent water vapor from forming fog and water drops on the surface of the film under two storage conditions of refrigeration or heating, so that the high transparency of the film is maintained, and the packaged objects can be conveniently and clearly seen.
Based on the above, the structural stability of the current polypropylene film is poor, and the polypropylene film is easy to tear when used at a low temperature, and is easy to deform and difficult to recover when subjected to impact force in biaxial stretching, so that the use is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a low-temperature-resistant biaxially oriented polypropylene film, which aims to solve the problems that the conventional polypropylene film has poor structural stability and is easy to tear when used at a low temperature, and the biaxially oriented polypropylene film is easy to deform and difficult to recover when subjected to impact force to affect use.
The utility model relates to a purpose and an effect of a low-temperature-resistant biaxially oriented polypropylene film, which are achieved by the following specific technical means:
a low temperature resistant biaxially oriented polypropylene film comprises a fastening connection layer;
a fastening surface layer is fixedly arranged at the top of the fastening connection layer, a protection surface layer is fixedly arranged at the top of the fastening surface layer, and decorative grains are arranged on the protection surface layer as required;
the fastening bottom layer is fixedly arranged at the bottom of the fastening connecting layer;
the reinforcing tough layer is fixedly arranged at the bottom of the fastening bottom layer;
the laminating surface course, the laminating surface course is fixed to be set up in reinforcing tough layer bottom.
Further, the fastening layer comprises:
the stable gate way is arranged on one side of the fastening and connecting layer in a gate way, and the cross section of the main body of the stable gate way is of a triangular structure;
the stable inverse groove is arranged on the other side of the fastening and connecting layer in an inverse potential manner, and the cross section of the main body of the stable inverse groove is of a triangular structure.
Further, the fastening skin comprises:
the reinforcing block layer is integrally arranged on one side of the fastening surface layer, the reinforcing block layer is buckled on the inner side of the stable crossheading, and the cross section of the main body of the reinforcing block layer is of a triangular structure.
Further, the fastening substrate includes:
the fastening block layer is integrally arranged on one side of the fastening bottom layer, the fastening block layer is buckled on the inner side of the stable reverse groove, and the section of the main body of the fastening block layer is in a triangular structure.
Further, the reinforcing tough layer includes:
the stable grooving is arranged on one side of the reinforcing tough layer, and the section of the main body of the stable grooving is in an inverted splayed structure.
Further, the attaching surface layer comprises:
the contact surface layer is integrally arranged on one side of the attaching surface layer;
the reinforcing slot is arranged on one side of the contact surface layer, and the cross section of the reinforcing slot main body is of a semicircular structure;
spacing card is protruding, and the protruding integral type of spacing card sets up in laminating surface course opposite side, and spacing card protruding cross-section shape is "eight" font structure of invering, and spacing card is protruding to be buckled in firm fluting inboard.
The utility model at least comprises the following beneficial effects:
1. according to the utility model, the fastening and fixing layer, the fastening surface layer and the fastening bottom layer are arranged, the stable forward groove is matched with the reinforcing block layer, so that the fastening and fixing layer and the fastening surface layer can be tightly and fixedly combined, the fastening performance and the rebound resilience of the whole device in forward stretching can be improved, the stable reverse groove is matched with the fastening block layer, the fastening and fixing layer and the fastening bottom layer can be tightly and fixedly combined, the fastening performance and the rebound resilience of the whole device in reverse stretching can be improved, the stability of the device in a low-temperature state is further improved, the device is prevented from being broken due to reduced toughness in low-temperature stretching use, the bonding strength between the functional layers of the device is improved, and the functional layers of the device are prevented from being disassembled in low-temperature stretching use.
2. According to the utility model, the reinforcing tough layer and the bonding surface layer are arranged, and the stable groove and the limiting clamp protrusion can be matched, so that the reinforcing tough layer and the bonding surface layer can be tightly combined, and the reinforcing tough layer and the bonding surface layer are prevented from falling off when the device is used at low temperature, so that the whole device falls off on the surface of an article, and the whole practicability is influenced.
Drawings
Fig. 1 is a main body front view structure diagram of the present invention.
Fig. 2 is a schematic bottom view of the main body of the present invention.
Fig. 3 is a schematic view of the main body splitting front view structure of the present invention.
Fig. 4 is a bottom view of the main body of the present invention.
FIG. 5 is a schematic view of a reinforced firmware layer structure according to the present invention.
FIG. 6 is a schematic view of a conformable surface layer of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. tightly fixing the layers;
101. a stable crossheading; 102. a stable reverse groove;
2. fastening the surface layer;
201. reinforcing the block layer;
3. a protective surface layer;
4. fastening the bottom layer;
401. a fastening block layer;
5. reinforcing the tough layer;
501. stably slotting;
6. attaching a surface layer;
601. a contact surface layer; 602. reinforcing the slot; 603. the limiting clamp is convex.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Example (b):
as shown in figures 1 to 6:
the utility model provides a low-temperature-resistant biaxially oriented polypropylene film, which comprises a fastening connection layer 1;
a fastening surface layer 2 is fixedly arranged at the top of the fastening and connecting layer 1, a protection surface layer 3 is fixedly arranged at the top of the fastening surface layer 2, and decorative lines are arranged on the protection surface layer 3 as required; the fastening bottom layer 4 is fixedly arranged at the bottom of the fastening and connecting layer 1; the reinforcing tough layer 5 is fixedly arranged at the bottom of the fastening bottom layer 4; the bonding surface layer 6 is fixedly arranged at the bottom of the reinforcing tough layer 5.
As shown in fig. 5 and 6, the reinforcing tough layer 5 includes:
the stable slot 501 is arranged at one side of the reinforcing tough layer 5, and the cross section of the main body of the stable slot 501 is in an inverted splayed structure. The attaching surface layer 6 includes: the contact surface layer 601, the contact surface layer 601 is integrally arranged on one side of the attaching surface layer 6; the reinforcing slot 602 is formed in one side of the contact surface layer 601, and the cross section of the main body of the reinforcing slot 602 is of a semicircular structure; the limiting clamping protrusions 603 are integrally arranged on the other side of the attaching surface layer 6, the cross section of each limiting clamping protrusion 603 is of an inverted splayed structure, and the limiting clamping protrusions 603 are fastened on the inner sides of the stable grooves 501; through reinforcing tough layer 5 and laminating surface course 6's setting, can cooperate between firm fluting 501 and the spacing protruding 603 of card, thereby make and reinforce tough layer 5 and laminating surface course 6 can the zonulae occludens, thereby prevent to consolidate tough layer 5 and laminate surface course 6 when the low temperature is used and take place to drop, and then make the whole article surface that drops of device, influence holistic practicality, it can wholly kick-back and tighten up tensile device to consolidate tough layer 5 simultaneously, prevent that the device from reducing and breaking because of toughness when the low temperature is tensile to be used, contact surface course 601 and the cooperation of reinforcing between the fluting 602, can make the inseparable laminating of device in article surface.
As shown in fig. 4, the fastening layer 1 includes:
the stabilizing gate 101, the stabilizing gate 101 is arranged on one side of the fastening and connecting layer 1 along the direction of the force, and the cross section of the main body of the stabilizing gate 101 is in a triangular structure; the stable inverse groove 102, the stable inverse groove 102 is arranged on the other side of the fastening and connecting layer 1 in an inverse potential manner, and the cross section of the main body of the stable inverse groove 102 is in a triangular structure. The fastening skin 2 comprises: the reinforcing block layer 201 is integrally arranged on one side of the fastening surface layer 2, the reinforcing block layer 201 is buckled on the inner side of the stable crossheading 101, and the cross section of the main body of the reinforcing block layer 201 is of a triangular structure. The fastening primer 4 comprises: the fastening block layer 401 is integrally arranged on one side of the fastening bottom layer 4, the fastening block layer 401 is buckled on the inner side of the stable reverse groove 102, and the cross section of the main body of the fastening block layer 401 is of a triangular structure; through the arrangement of the fastening and connecting layer 1, the fastening surface layer 2 and the fastening bottom layer 4, the stable crossheading 101 is matched with the reinforcing block layer 201, the fastening and connecting layer 1 and the fastening surface layer 2 can be tightly and fixedly combined, meanwhile, the fastening performance and the rebound resilience of the whole device in forward stretching can be improved, the stable reverse groove 102 is matched with the fastening block layer 401, the fastening and connecting layer 1 and the fastening bottom layer 4 can be tightly and fixedly combined, meanwhile, the fastening performance and the rebound resilience of the whole device in reverse stretching can be improved, the stability of the device in a low-temperature state can be further improved, the combination strength between the functional layers of the device can be improved when the device is prevented from being broken due to the reduction of the toughness in low-temperature stretching use, the device is prevented from being disassembled in low-temperature stretching use, the fastening and connecting layer 1 adopts epoxy resin, and the epoxy resin has excellent physical mechanical and electrical insulation performance, The adhesive property with various materials and the flexibility of the using process are not possessed by other thermosetting plastics, and the adhesive strength and the chemical resistance of the whole device can be improved.
In another embodiment, as shown in fig. 6, the contact surface layer 601 can be provided with fine holes on its surface, so as to improve the adhesion of the contact surface layer 601 during fixing and prevent the contact surface layer 601 from falling off due to cold shrinkage at low temperature.
The specific use mode and function of the embodiment are as follows:
in the utility model, when in use, the device is covered to a proper position, the fastening and fixing layer 1 is tightly and fixedly combined with the fastening surface layer 2 through the matching between the fastening smooth groove 101 and the reinforcing block layer 201, the fastening performance and the resilience of the whole device in forward stretching are improved, the fastening reverse groove 102 is matched with the fastening block layer 401, the fastening and fixing layer 1 is tightly and fixedly combined with the fastening bottom layer 4, the fastening performance and the resilience of the whole device in reverse stretching are improved, the stability of the device in a low temperature state is further improved, the fastening groove 501 is matched with the limiting clamping bulge 603, so that the reinforcing and toughening layer 5 is tightly combined with the jointing surface layer 6, the reinforcing and toughening layer 5 is prevented from falling off from the jointing surface layer 6 in low temperature use, the reinforcing and toughening layer 5 is used for rebounding the whole stretched device, and the device is prevented from being broken due to reduced toughness in low temperature stretching use, the contact surface 601 and the reinforcing channel 602 cooperate to provide a snug fit of the device to the surface of the article.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A low-temperature-resistant biaxially oriented polypropylene film is characterized in that: comprises a fastening connection layer (1);
a fastening surface layer (2) is fixedly arranged at the top of the fastening and connecting layer (1), a protection surface layer (3) is fixedly arranged at the top of the fastening surface layer (2), and decorative grains are arranged on the protection surface layer (3) according to needs;
the fastening bottom layer (4), the fastening bottom layer (4) is fixedly arranged at the bottom of the fastening and connecting layer (1); the reinforcing tough layer (5), the reinforcing tough layer (5) is fixedly arranged at the bottom of the fastening bottom layer (4); the bonding surface layer (6), bonding surface layer (6) are fixed to be set up in reinforcing tough layer (5) bottom.
2. The biaxially oriented polypropylene film of claim 1, wherein the fastening layer (1) comprises:
the stabilizing gate groove (101), the stabilizing gate groove (101) is arranged at one side of the fastening and connecting layer (1) along the same direction, and the cross section of the stabilizing gate groove (101) is in a triangular structure;
the stabilizing inverse groove (102), the stabilizing inverse groove (102) is arranged at the other side of the fastening and connecting layer (1) in an inverse potential manner, and the cross section of the main body of the stabilizing inverse groove (102) is in a triangular structure.
3. The biaxially oriented polypropylene film of claim 1, wherein the fastening skin (2) comprises:
the reinforcing block layer (201), the reinforcing block layer (201) is integrally arranged on one side of the fastening surface layer (2), the reinforcing block layer (201) is buckled on the inner side of the stable gate way (101), and the cross section of the main body of the reinforcing block layer (201) is of a triangular structure.
4. The biaxially oriented polypropylene film of claim 1, wherein the fastening substrate (4) comprises:
the fastening block layer (401), the fastening block layer (401) is integrally arranged on one side of the fastening bottom layer (4), the fastening block layer (401) is buckled on the inner side of the stable reverse groove (102), and the section of the main body of the fastening block layer (401) is in a triangular structure.
5. The biaxially oriented polypropylene film of claim 1, wherein the reinforcing tenacity layer (5) comprises:
the stabilizing slot (501) is arranged at one side of the reinforcing tough layer (5), and the cross section of the main body of the stabilizing slot (501) is in an inverted splayed structure.
6. The biaxially oriented polypropylene film of claim 1, wherein the conformable surface layer (6) comprises:
the contact surface layer (601), the contact surface layer (601) is integrally arranged on one side of the bonding surface layer (6);
the reinforcing slot (602), the reinforcing slot (602) is arranged on one side of the contact surface layer (601), and the cross section of the main body of the reinforcing slot (602) is of a semicircular structure;
spacing protruding (603) of card, spacing protruding (603) integral type of card sets up in laminating surface course (6) opposite side, and spacing protruding (603) body cross sectional shape of card is "eight" font structure of invering, and spacing protruding (603) of card buckle is inboard in firm fluting (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121594178.5U CN215435320U (en) | 2021-07-12 | 2021-07-12 | Low-temperature-resistant biaxially oriented polypropylene film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121594178.5U CN215435320U (en) | 2021-07-12 | 2021-07-12 | Low-temperature-resistant biaxially oriented polypropylene film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215435320U true CN215435320U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121594178.5U Active CN215435320U (en) | 2021-07-12 | 2021-07-12 | Low-temperature-resistant biaxially oriented polypropylene film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215435320U (en) |
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2021
- 2021-07-12 CN CN202121594178.5U patent/CN215435320U/en active Active
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